Learning undergraduate engineering thermodynamics might be less painful with a blog. I hope that students, faculty and interested observers will share their thoughts on the laws of thermodynamics, phase and chemical equilibrium and many related topics.
Please post any questions or discussion related to this problem as comments on this message. Feel free to answer other students' questions. I will check the blog M-F and once on the weekend. Dr. B
2 comments:
Anonymous
said...
Help! I don't understand how to do the second part of the problem where the volume stays the same. Does the temperature stay the same too?
questioning: For the final state, you know Vhat because neither V nor m changes. You also know the quality: x = 1. So, what you need to do is find the pressure at which the sat'd vapor has a Vhat equal to the value that you know = Vtank/m. You will need to interpolate.
2 comments:
Help! I don't understand how to do the second part of the problem where the volume stays the same. Does the temperature stay the same too?
questioning:
For the final state, you know Vhat because neither V nor m changes. You also know the quality: x = 1. So, what you need to do is find the pressure at which the sat'd vapor has a Vhat equal to the value that you know = Vtank/m. You will need to interpolate.
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